US76967A - peters - Google Patents
peters Download PDFInfo
- Publication number
- US76967A US76967A US76967DA US76967A US 76967 A US76967 A US 76967A US 76967D A US76967D A US 76967DA US 76967 A US76967 A US 76967A
- Authority
- US
- United States
- Prior art keywords
- lifting
- uprights
- jack
- ground
- peters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 2
- 210000002105 Tongue Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
Definitions
- This'invention is an improvementon the lifting-jacks, as'heretofore inode', and is designed more partici. larly for lifting threshing-machines when the rear'wheels of the saine are to be Withdrawn, to lower' the rear ct' the machine to the ground for the operation of threshing.
- the drawing is a sectional view of the jack, which is composed of a ratchetlrack, B, sliding vertically between uprights', @which latter rise from a base-block, D.
- the ratohetrackis of metal and is affixed to a stout rodor strip, I-I, which latter is provided with tongues,
- a lifting-toe, E is bolted to the lower end of th'e rod I-I, and thus serves to catch ⁇ under the axle of the .threshing-machine, to raise it from the'ground, in order to vreplace'the wheels.
- thelever A is hung, by ineens of a hinged link, g, ns shown.
- crank-lever havinganlarrn, oZ, serves to catch under any one tooth of .the rack, and hold thcsatnect The red outline ol shows'th'e position of this arm when not in use.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Spark Plugs (AREA)
Description
witch tieteeistwi ffice.
Gr. H. ALGER, OF AMES, NEW YORK.
Lemie Patent No. 76,967, kann .ma 21, 186s,
IMPROVEMENT lIN LIITING-JAGK.
To ALL wHoM 1T MAY CONCERN:
Be it known that I, G. H. ALGER, of 1l-nies, in the county of Montgomery, and State of New York, have invented a. new and improved Lifting-Jack; und I do hereby declare that the following is a full, clear, and exact description thereof', which will enable those skilled in the art` to make and use'the same, reference being had to 'the accompanying drawings, forming part of this specification.'
' This'invention is an improvementon the lifting-jacks, as'heretofore inode', and is designed more partici. larly for lifting threshing-machines when the rear'wheels of the saine are to be Withdrawn, to lower' the rear ct' the machine to the ground for the operation of threshing.
The drawing is a sectional view of the jack, which is composed of a ratchetlrack, B, sliding vertically between uprights', @which latter rise from a base-block, D. I
The ratohetrackis of metal, and is affixed to a stout rodor strip, I-I, which latter is provided with tongues,
f, tting in the grooves e of the uprights, as shown.
A lifting-toe, E, is bolted to the lower end of th'e rod I-I, and thus serves to catch `under the axle of the .threshing-machine, to raise it from the'ground, in order to vreplace'the wheels.
` The uprights are'c'onnected at the top by cross-pieces, GG, bolted lor affixed to the.uprights in anysuit- 'able manner.
To one of these cross-pieces, thelever A is hung, by ineens of a hinged link, g, ns shown.
` A crank-lever, .5, havinganlarrn, oZ, serves to catch under any one tooth of .the rack, and hold thcsatnect The red outline ol shows'th'e position of this arm when not in use.
The operation of this jack'is obvious. l i
Its peculiarity of construotiouccus'ists in thearrangemcnt of the lifting-toe E,la.t the b gttom of the upright, so that it can catch under the axle when the same is on' the ground, or lower the axle to the ground.
The screw-jacks heretofore merle will vnot answer for vthis purpose, as will be obvious.
With my improved lifting-jack,'a thresliihg-xnacli`ine may be raised or lowered ina short time, and with less help than is required to perform the same operation without this invention.
One mau can vraise or lower athreshing-machine by this means, when, without it, several men are 1cquired 'with the `aid of levers, poles, andthe like, to effect the suine obj-ect.
'It is simple and effective, as I have proven in practice with a full-sized machine.
I claim :1s new, and desire to secure by Letters Patent- The combination of the uprights C, rack B, base D, cross-pieces G Gr,lever A, link g c, lever-catch b, and lifting-toe E, all constructed and operating together substantially as and for the purposeshown and described.
The above specification of my'invention signed by me, this 27th ddy of February, 1868.
i G. H. ALGER., Witnesses WM. F. McNAMARA,
vAmsxli". ROBERTS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US76967A true US76967A (en) | 1868-04-21 |
Family
ID=2146469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US76967D Expired - Lifetime US76967A (en) | peters |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US76967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2536899A (en) * | 1946-12-20 | 1951-01-02 | Deere & Co | Corn harvester tractor mounting means |
-
0
- US US76967D patent/US76967A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2536899A (en) * | 1946-12-20 | 1951-01-02 | Deere & Co | Corn harvester tractor mounting means |
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